Should you UPGRADE? - 820CB New Chamberlain Safety Sensors
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- เผยแพร่เมื่อ 11 พ.ย. 2021
- This video highlights the 3rd generation of the Chamberlain/LiftMaster safety reversing sensors. Or what my buddy Richard Cornell likes to them: NUBBIES! These garage door safety sensors are much smaller in design and perfect for small spaces. But Chamberlain/LiftMaster need to do their part in making sure these new sensors come with the right brackets.
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NEW CHAMBERLAIN - LIFTMASTER SAFETY SENSORS **NUBBIES**
Chamberlain 820CB Replacement Opener Garage Door Safety Sensors, Black
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2nd Generation Safety Sensors
Chamberlain 41A5034 Garage Door Opener Safety Sensor Kit Genuine Original Equipment Manufacturer (OEM) Part
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Safety sensors with brackets
Chamberlain 801cb-p Garage Door Replacement Safety Sensor, 2 Pack
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I’d rethink your opinion on the splices, they’re 100% better than the twist type they were invented by the Bell System Labs and have been used in the telecommunications industry for over 40 years I’ve personally seen thousands that have been on phone wires as a lineman for 30 plus years still functioning and can’t remember ever seeing a failure unless lightning hit a line and usually the copper will go before that splice. Those twisted connectors have a high failure rate and that’s just a fact and electrical companies are moving towards a similar type as the one you don’t like. Just an fyi those lines used in garage doors are the same gauge as phone lines so i am comparing apples to apples. Have a great day
Hey there Flat Top! I will have to use them more. Honestly I just haven't given them a chance.
great video, and the reason they send those old brackets is because they are trying to get rid of stock, and i acually like that, because it helps block sun by setting them. back, so i wouod keep a good bit of old brackets, and when needed they will help.
I think they are doing that to the sensor bracket to get rid of inventory, hopefully it gets fixed soon. I got a new motor the other day with the same thing, long brackets and nubby eyes.
I believe you're right! I just saw another set at Home Depot that had the same longer brackets for the photo safety eyes.
That’s when the word generation comes in first generation second generation and now third generation
The originals from 1993-95 are the first. and when they came hard wired 2nd. the ones now 3rd and these new ones the 4th. And don't forget the mirror ones from the 80s
@@andrewm1346 1993 1997 all metal casing are the first generation boxy kind garage door openers
@@andrewm1346 1993 to 1997 are the metal casing garage door openers Chamberlain Liftmaster
@@andrewm1346 1993 Chamberlain Liftmaster 5:24 garage door openers are building code receivers 1997 are 100 billion code receivers
Looking at these to replace my "vintage"(smile) Raynor opener sensors. Hoping to see your wiring technique, because, my receiver has a red, white, and black connection, my sender has black and red(?)
Hello! Thank you for asking about my technique.
You say that your receiving sensor has 3 wires? What model of Raynor do you own?
Thanks for the video. I installed the same ones. Mine do not activate the garage door light bulb when crossing the stream. Does yours? Otherwise it works fine.
Hello. Great question. There was a lawsuit that Chamberlain lost that no longer made it possible to turn on the sensors while passing thru the beams. Did you just replace the sensors or the entire motor?
Santiago that’s when the first generation second generation and third generation word comes in
Do these help out with sunlight intrusion that breaks the signal and does not allow the door to close?
Hello! Yes they are much better at resisting sunlight interference.
The real question I have is why have the sensors failed already on that WLED?
That's a very good question Sam. I believe there were some articles in the garage that caused the receiving sensor to fail. At the end of the day the customer was okay with upgrading them to the new sensors.
I have existing wiring from old sensors that run to door opener, which have never failed. Can I use existing wiring with new sensors?
Hello! Yes you can.
@@sosgds I just received the Chamberlain B4643T opener so, it goes without saying, I'm hooking it up soon and will let you know the outcome. Thanks.
did not know that they sell those little sensors separately i’ll have to get my hands on them
Hi I subscribed few days agao and watched almost many videos from your channel.
Quick Question.
1. Does the Safety Sensor have polarity when wiring or it doesnt ?
2. Wall control panel have 2 wires as well, (i have older one) when i sort the wire, garage open.. Can you pls advise how electrically it works meaning , when i press light or lock in that panel, doesn it send DC volt or resistance is changing ?.
3. Currently i have liftmaster 3280 1/2 hp AC motor. can you recommend me quitest DC motor that I can buy pls?.
4. How do you know the logic board is broken, do you have videos determining that.
5. when you tighten the belt on motor, when do you know the belt is tighten enough. in car when you apply tension to serpenetine belt, it should not defelct more than 90 degree.
Hello. Sorry for the late response. Let me see if I can answer your questions properly.
1. Does the Safety Sensor have polarity when wiring or it doesn't ?
Yes the sensors do have polarity. They need that polarity in order to work properly or as they were intended to function.
2. Wall control panel have 2 wires as well, (i have older one) when i sort the wire, garage open.. Can you pls advise how electrically it works meaning , when i press light or lock in that panel, doesn it send DC volt or resistance is changing ?.
It's a pulse closed circuit. It's low voltage. You won't be shocked if you touch the wires. As for how much current in volts or amps is used, I don't know.
3. Currently i have liftmaster 3280 1/2 hp AC motor. can you recommend me quitest DC motor that I can buy pls?.
LiftMaster 87504
4. How do you know the logic board is broken, do you have videos determining that.
Yes, one video. The arrow buttons to program travel will indicate a series of flashes. Those flashes will let you know if the board is bad.
5. when you tighten the belt on motor, when do you know the belt is tighten enough. in car when you apply tension to serpenetine belt, it should not defelct more than 90 degree.
Not that same here. This is more like a travel or conveyor belt. It should be tightened to 1/8" off the T rail assembly. I use my index finger to tell if I have proper tension. Once you are happy with the tension you will release the spring nut. The spring nut will help the wear and tear to the belt.
@@sosgds Thanks so much very much appreciated.
Love the new sensors
great video...the long brackets don't work well with "nubbies"...also if it is an upgrade from Chamberlain ..grain of salt ..not really an upgrade..there quality is in free fall right now..btw I like proper twist and tape...also,they got rid of 10 flash sensor break also ...WHY?
That is a great question. I know there were some patent infringements they encountered with Genie. I wonder if that feature is one of them.
I hate that they sometimes are sending the long bracket's. Come on Chamberlain LM!
Non the less, I like them. I like how bright they are and the flashing green light is a plus. 🙏👍🏼
Thank you my friend! You coined the phase Nibbies!
I don't know why people even post videos for. Wasting my time.